81127816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131701}}^1$

素因数の和:131725

約数の個数: 32

約数和(自身を含む): 189650880

約数和(自身を除く): 108523064

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 131701, 263402, 526804, 921907, 1053608, 1448711, 1843814, 2897422, 3687628, 5794844, 7375256, 10140977, 11589688, 20281954, 40563908, 81127816]

約数ペア:

[(1, 81127816), (2, 40563908), (4, 20281954), (7, 11589688), (8, 10140977), (11, 7375256), (14, 5794844), (22, 3687628), (28, 2897422), (44, 1843814), (56, 1448711), (77, 1053608), (88, 921907), (154, 526804), (308, 263402), (616, 131701)]